<template>
|
<div class="upload-file">
|
<el-upload
|
multiple
|
:action="uploadFileUrl"
|
:before-upload="handleBeforeUpload"
|
:file-list="fileList"
|
:limit="limit"
|
:on-error="handleUploadError"
|
:on-exceed="handleExceed"
|
:on-success="handleUploadSuccess"
|
:show-file-list="false"
|
:headers="headers"
|
class="upload-file-uploader"
|
ref="fileUpload"
|
>
|
<!-- 上传按钮 -->
|
<el-button size="mini" type="primary">选取文件</el-button>
|
<!-- 上传提示 -->
|
<div class="el-upload__tip" slot="tip" v-if="showTip">
|
请上传
|
<template v-if="fileSize"> 大小不超过 <b style="color: #f56c6c">{{ fileSize }}MB</b> </template>
|
<template v-if="fileType"> 格式为 <b style="color: #f56c6c">{{ fileType.join("/") }}</b> </template>
|
的文件
|
</div>
|
</el-upload>
|
|
<!-- 文件列表 -->
|
<transition-group class="upload-file-list el-upload-list el-upload-list--text" name="el-fade-in-linear" tag="ul">
|
<li :key="file.url" class="el-upload-list__item ele-upload-list__item-content" v-for="(file, index) in fileList">
|
<el-link :href="`${baseUrl}${file.url}`" :underline="false" target="_blank">
|
<span class="el-icon-document"> {{ getFileName(file.name) }} </span>
|
</el-link>
|
<div class="ele-upload-list__item-content-action">
|
<el-link :underline="false" @click="handleDelete(index)" type="danger">删除</el-link>
|
</div>
|
</li>
|
</transition-group>
|
</div>
|
</template>
|
|
<script>
|
import { getToken } from "@/utils/auth";
|
|
export default {
|
name: "FileUpload",
|
props: {
|
// 值
|
value: [String, Object, Array],
|
// 数量限制
|
limit: {
|
type: Number,
|
default: 5,
|
},
|
// 大小限制(MB)
|
fileSize: {
|
type: Number,
|
default: 5,
|
},
|
// 文件类型, 例如['png', 'jpg', 'jpeg']
|
fileType: {
|
type: Array,
|
default: () => ["doc", "xls", "ppt", "txt", "pdf"],
|
},
|
// 是否显示提示
|
isShowTip: {
|
type: Boolean,
|
default: true
|
}
|
},
|
data() {
|
return {
|
number: 0,
|
uploadList: [],
|
baseUrl: process.env.VUE_APP_BASE_API,
|
uploadFileUrl: process.env.VUE_APP_BASE_API + "/common/upload", // 上传文件服务器地址
|
headers: {
|
Authorization: "Bearer " + getToken(),
|
},
|
fileList: [],
|
};
|
},
|
watch: {
|
value: {
|
handler(val) {
|
if (val) {
|
let temp = 1;
|
// 首先将值转为数组
|
const list = Array.isArray(val) ? val : this.value.split(',');
|
// 然后将数组转为对象数组
|
this.fileList = list.map(item => {
|
if (typeof item === "string") {
|
item = { name: item, url: item };
|
}
|
item.uid = item.uid || new Date().getTime() + temp++;
|
return item;
|
});
|
} else {
|
this.fileList = [];
|
return [];
|
}
|
},
|
deep: true,
|
immediate: true
|
}
|
},
|
computed: {
|
// 是否显示提示
|
showTip() {
|
return this.isShowTip && (this.fileType || this.fileSize);
|
},
|
},
|
methods: {
|
// 上传前校检格式和大小
|
handleBeforeUpload(file) {
|
// 校检文件类型
|
if (this.fileType) {
|
const fileName = file.name.split('.');
|
const fileExt = fileName[fileName.length - 1];
|
const isTypeOk = this.fileType.indexOf(fileExt) >= 0;
|
if (!isTypeOk) {
|
this.$modal.msgError(`文件格式不正确, 请上传${this.fileType.join("/")}格式文件!`);
|
return false;
|
}
|
}
|
// 校检文件大小
|
if (this.fileSize) {
|
const isLt = file.size / 1024 / 1024 < this.fileSize;
|
if (!isLt) {
|
this.$modal.msgError(`上传文件大小不能超过 ${this.fileSize} MB!`);
|
return false;
|
}
|
}
|
this.$modal.loading("正在上传文件，请稍候...");
|
this.number++;
|
return true;
|
},
|
// 文件个数超出
|
handleExceed() {
|
this.$modal.msgError(`上传文件数量不能超过 ${this.limit} 个!`);
|
},
|
// 上传失败
|
handleUploadError(err) {
|
this.$modal.msgError("上传文件失败，请重试");
|
this.$modal.closeLoading()
|
},
|
// 上传成功回调
|
handleUploadSuccess(res, file) {
|
if (res.code === 200) {
|
this.uploadList.push({ name: res.fileName, url: res.fileName });
|
this.uploadedSuccessfully();
|
} else {
|
this.number--;
|
this.$modal.closeLoading();
|
this.$modal.msgError(res.msg);
|
this.$refs.fileUpload.handleRemove(file);
|
this.uploadedSuccessfully();
|
}
|
},
|
// 删除文件
|
handleDelete(index) {
|
this.fileList.splice(index, 1);
|
this.$emit("input", this.listToString(this.fileList));
|
},
|
// 上传结束处理
|
uploadedSuccessfully() {
|
if (this.number > 0 && this.uploadList.length === this.number) {
|
this.fileList = this.fileList.concat(this.uploadList);
|
this.uploadList = [];
|
this.number = 0;
|
this.$emit("input", this.listToString(this.fileList));
|
this.$modal.closeLoading();
|
}
|
},
|
// 获取文件名称
|
getFileName(name) {
|
if (name.lastIndexOf("/") > -1) {
|
return name.slice(name.lastIndexOf("/") + 1);
|
} else {
|
return "";
|
}
|
},
|
// 对象转成指定字符串分隔
|
listToString(list, separator) {
|
let strs = "";
|
separator = separator || ",";
|
for (let i in list) {
|
strs += list[i].url + separator;
|
}
|
return strs != '' ? strs.substr(0, strs.length - 1) : '';
|
}
|
}
|
};
|
</script>
|
|
<style scoped lang="scss">
|
.upload-file-uploader {
|
margin-bottom: 5px;
|
}
|
.upload-file-list .el-upload-list__item {
|
border: 1px solid #e4e7ed;
|
line-height: 2;
|
margin-bottom: 10px;
|
position: relative;
|
}
|
.upload-file-list .ele-upload-list__item-content {
|
display: flex;
|
justify-content: space-between;
|
align-items: center;
|
color: inherit;
|
}
|
.ele-upload-list__item-content-action .el-link {
|
margin-right: 10px;
|
}
|
</style>
|
